Objects in the image:
category: snowboard
category: person
category: person
category: person
category: person
category: skis
category: person
category: person
category: backpack
category: person
category: backpack
category: skis
category: person
category: person
category: person
category: skis
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: is in ski?
a: No
q: holding a board?
a: Yes